The calipers can be pretty handy. You just have to get pro at measuring yourself consistently, which is a bit difficult until it becomes habit. If you can then they're one of the better measurement tools.

I had a friend whose girlfriend died. No-one had access to her Facebook account. He'd never defriend her, and requesting deactivation from Facebook seemed like a step too far. So she's just there, collecting information, watching. One day he'll move on and enter a relationship with someone else, and...